C / C++ / MFC

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CMDIFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
       cs.cy = 600;//::GetSystemMetrics(SM_CYSCREEN) / 3; //
       cs.cx =800;//::GetSystemMetrics(SM_CXSCREEN) / 3; // 


	HKEY keyHandle1, keyHandle2, keyHandle3;
	CString str;
	DWORD valType;
	DWORD xpos, ypos;
	DWORD width, height;
	DWORD valSize = sizeof(DWORD);

	// Open the Software key under HKEY_CURRENT_USER.
	RegOpenKeyEx(HKEY_CURRENT_USER, "Software",
		0, KEY_ALL_ACCESS, &keyHandle1);


	// Open the MyCompany key under Software.
		LONG res = RegOpenKeyEx(keyHandle1, "MyCompany4",
		0, KEY_ALL_ACCESS, &keyHandle2);



	// Open the MyApplication key under MyCompany.
	res = RegOpenKeyEx(keyHandle2, "MyApplication4",
		0, KEY_ALL_ACCESS, &keyHandle3);

	// Get the value of XPosition.
    RegQueryValueEx(keyHandle3, "XPosition",
		0, (LPDWORD) &valType, (LPBYTE) &xpos,
		(LPDWORD) &valSize);

	// Get the value of YPosition.
    RegQueryValueEx(keyHandle3, "YPosition",
		0, (LPDWORD) &valType, (LPBYTE) &ypos,
		(LPDWORD) &valSize);

	// Get the value of Width.
    RegQueryValueEx(keyHandle3, "Height",
		0, (LPDWORD) &valType, (LPBYTE) &height,
		(LPDWORD) &valSize);

	// Get the value of Height.
    LONG result = RegQueryValueEx(keyHandle3, "Width",
		0, (LPDWORD) &valType, (LPBYTE) &width,
		(LPDWORD) &valSize);

	if (result == ERROR_SUCCESS)
	{
		cs.cx = width;
		cs.cy = height;
		cs.x = xpos;
		cs.y = ypos;
	}

	// Close all the open keys.
	RegCloseKey(keyHandle1);
	RegCloseKey(keyHandle2);
	RegCloseKey(keyHandle3);